Perhaps you should try some spelling variations:
condicion de » condiciones de
medicina del » medicina de
canto javier » cano javier, castro javier, cacho javier
javier las » javier alas, javier la, javier lomas
juan paul » juan paulo, jean paul, juan raul
del canto » del canton, el canto, del santo
por juan » sor juana
gas por » mas por, gas power, gas vapor

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (( condicion de gas por juan paul ; ) OR ( medicina del canto javier las pau ; ))~.
• Adding a wildcard symbol may retrieve word variants: (( condicion de gas por juan paul ; ) or ( medicina del canto javier las pau ; ))*.